For there to be negotiations, there should be two or more willing parties who wish to sit down and find a suitable solution to the problem. The solution at the end of the negotiations should be acceptable to all participants. No participant should come out feelin that their opinion is the only opinion. Therefore there has never really been any negotiations to start with. It is sad but the reality of the situation.
UN envoy to Yemen says warring parties increasingly open to peace plan (Reuters)
from the article: Palestinians: Peace negotiations with Israel have ended